[PATCH 4.19 119/425] modules: mark ref_module static

[Greg Kroah-Hartman]

From: Christoph Hellwig <hch@xxxxxx>

commit 7ef5264de773279b9f23b6cc8afb5addb30e970b upstream.

ref_module isn't used anywhere outside of module.c.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Jessica Yu <jeyu@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 include/linux/module.h |    1 -
 kernel/module.c        |    6 ++----
 2 files changed, 2 insertions(+), 5 deletions(-)

--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -604,7 +604,6 @@ static inline void __module_get(struct m
 #define symbol_put_addr(p) do { } while (0)
 
 #endif /* CONFIG_MODULE_UNLOAD */
-int ref_module(struct module *a, struct module *b);
 
 /* This is a #define so the string doesn't get put in every .o file */
 #define module_name(mod)			\
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -851,7 +851,7 @@ static int add_module_usage(struct modul
 }
 
 /* Module a uses b: caller needs module_mutex() */
-int ref_module(struct module *a, struct module *b)
+static int ref_module(struct module *a, struct module *b)
 {
 	int err;
 
@@ -870,7 +870,6 @@ int ref_module(struct module *a, struct
 	}
 	return 0;
 }
-EXPORT_SYMBOL_GPL(ref_module);
 
 /* Clear the unload stuff of the module. */
 static void module_unload_free(struct module *mod)
@@ -1151,11 +1150,10 @@ static inline void module_unload_free(st
 {
 }
 
-int ref_module(struct module *a, struct module *b)
+static int ref_module(struct module *a, struct module *b)
 {
 	return strong_try_module_get(b);
 }
-EXPORT_SYMBOL_GPL(ref_module);
 
 static inline int module_unload_init(struct module *mod)
 {